STABLE14-rx-send-error-code-propagation-20050915

* add a version of rxi_DebugPrint for Windows that uses OutputDebugString

* migrate all printf statements to the dpf macro

* stop masking the errors from rx_sendmsg() so that higher level functions
  can make decisions based upon the failure.

* Windows reports EHOSTUNREACHABLE.  Similar to Linux, if it is reported
  reset the send packet start time to 0 in order to immediately cause the
  server to be marked down.


(cherry picked from commit 9ac9185b0feb87eff820963f83a6c861c49bdab5)
This commit is contained in:
Jeffrey Altman 2005-09-16 03:28:50 +00:00
parent 3f02d0f4be
commit 35bbe6c952
8 changed files with 70 additions and 38 deletions

View File

@ -6033,6 +6033,21 @@ rxi_DebugPrint(char *format, int a1, int a2, int a3, int a4, int a5, int a6,
int a7, int a8, int a9, int a10, int a11, int a12, int a13,
int a14, int a15)
{
#ifdef AFS_NT40_ENV
char msg[512];
int len;
len = _snprintf(msg, sizeof(msg)-2,
format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
a11, a12, a13, a14, a15);
if (len > 0) {
if (msg[len-1] != '\n') {
msg[len] = '\n';
msg[len+1] = '\0';
}
OutputDebugString(msg);
}
#else
struct clock now;
clock_GetTime(&now);
fprintf(rx_Log, " %u.%.3u:", (unsigned int)now.sec,
@ -6040,10 +6055,9 @@ rxi_DebugPrint(char *format, int a1, int a2, int a3, int a4, int a5, int a6,
fprintf(rx_Log, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12,
a13, a14, a15);
putc('\n', rx_Log);
}
#endif
}
#ifdef RXDEBUG
/*
* This function is used to process the rx_stats structure that is local
* to a process as well as an rx_stats structure received from a remote

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@ -47,7 +47,7 @@ void
clock_Init(void)
{
if (!QueryPerformanceFrequency(&rxi_clockFreq)) {
printf("No High Performance clock, exiting.\n");
OutputDebugString("No High Performance clock, exiting.\n");
exit(1);
}

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@ -169,7 +169,7 @@ rx_getAllAddr(afs_int32 buffer[], int maxSize)
while (next < lim) {
ifm = (struct if_msghdr *)next;
if (ifm->ifm_type != RTM_IFINFO) {
printf("out of sync parsing NET_RT_IFLIST\n");
dpf(("out of sync parsing NET_RT_IFLIST\n"));
free(buf);
return 0;
}
@ -204,8 +204,8 @@ rx_getAllAddr(afs_int32 buffer[], int maxSize)
a = info.rti_info[RTAX_IFA];
if (count >= maxSize) /* no more space */
printf("Too many interfaces..ignoring 0x%x\n",
a->sin_addr.s_addr);
dpf(("Too many interfaces..ignoring 0x%x\n",
a->sin_addr.s_addr));
else
buffer[count++] = a->sin_addr.s_addr;
addrcount--;
@ -253,7 +253,7 @@ rxi_getAllAddrMaskMtu(afs_int32 addrBuffer[], afs_int32 maskBuffer[],
while (next < lim) {
ifm = (struct if_msghdr *)next;
if (ifm->ifm_type != RTM_IFINFO) {
printf("out of sync parsing NET_RT_IFLIST\n");
dpf(("out of sync parsing NET_RT_IFLIST\n"));
free(buf);
return 0;
}
@ -286,8 +286,8 @@ rxi_getAllAddrMaskMtu(afs_int32 addrBuffer[], afs_int32 maskBuffer[],
if (a->sin_addr.s_addr != htonl(0x7f000001) ) {
if (count >= maxSize) { /* no more space */
printf("Too many interfaces..ignoring 0x%x\n",
a->sin_addr.s_addr);
dpf(("Too many interfaces..ignoring 0x%x\n",
a->sin_addr.s_addr));
} else {
struct ifreq ifr;
@ -381,8 +381,8 @@ rx_getAllAddr_internal(afs_int32 buffer[], int maxSize, int loopbacks)
continue; /* skip aliased loopbacks as well. */
}
if (count >= maxSize) /* no more space */
printf("Too many interfaces..ignoring 0x%x\n",
a->sin_addr.s_addr);
dpf(("Too many interfaces..ignoring 0x%x\n",
a->sin_addr.s_addr));
else
buffer[count++] = a->sin_addr.s_addr;
}
@ -462,8 +462,8 @@ rxi_getAllAddrMaskMtu(afs_int32 addrBuffer[], afs_int32 maskBuffer[],
continue; /* skip loopback address as well. */
if (count >= maxSize) { /* no more space */
printf("Too many interfaces..ignoring 0x%x\n",
a->sin_addr.s_addr);
dpf("Too many interfaces..ignoring 0x%x\n",
a->sin_addr.s_addr));
continue;
}

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@ -507,7 +507,11 @@ EXT FILE *rx_debugFile; /* Set by the user to a stdio file for debugging output
EXT FILE *rxevent_debugFile; /* Set to an stdio descriptor for event logging to that file */
#define rx_Log rx_debugFile
#ifdef AFS_NT40_ENV
#define dpf(args) rxi_DebugPrint args;
#else
#define dpf(args) if (rx_debugFile) rxi_DebugPrint args; else
#endif
#define rx_Log_event rxevent_debugFile
EXT char *rx_packetTypes[RX_N_PACKET_TYPES] INIT(RX_PACKET_TYPES); /* Strings defined in rx.h */

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@ -126,7 +126,7 @@ osi_Panic(msg, a1, a2, a3)
if (!msg)
msg = "Unknown AFS panic";
printf(msg, a1, a2, a3);
dpf(msg, a1, a2, a3));
#ifdef AFS_LINUX24_ENV
BUG();
#else
@ -316,7 +316,7 @@ MyPacketProc(char **ahandle, int asize)
rx_stats.bogusPacketOnRead++;
MUTEX_EXIT(&rx_stats_mutex);
/* I DON"T LIKE THIS PRINTF -- PRINTFS MAKE THINGS VERY VERY SLOOWWW */
printf("rx: packet dropped: bad ulen=%d\n", asize);
dpf(("rx: packet dropped: bad ulen=%d\n", asize));
tp = NULL;
}
@ -495,7 +495,7 @@ shutdown_rxkernel(void)
rxk_shutdownPorts();
return;
}
printf("shutdown_rxkernel: no udp proto");
dpf(("shutdown_rxkernel: no udp proto"));
}
#endif /* !AIX && !SUN && !NCR && !UKERNEL */
@ -864,7 +864,7 @@ rxk_NewSocketHost(afs_uint32 ahost, short aport)
code = sobind(newSocket, (struct sockaddr *)&myaddr);
#endif
if (code) {
printf("sobind fails (%d)\n", (int)code);
dpf(("sobind fails (%d)\n", (int)code));
soclose(newSocket);
AFS_GLOCK();
goto bad;
@ -891,7 +891,7 @@ rxk_NewSocketHost(afs_uint32 ahost, short aport)
code = sobind(newSocket, nam);
#endif
if (code) {
printf("sobind fails (%d)\n", (int)code);
dpf(("sobind fails (%d)\n", (int)code));
soclose(newSocket);
#ifndef AFS_SGI65_ENV
m_freem(nam);

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@ -1472,6 +1472,7 @@ osi_NetSend(osi_socket socket, void *addr, struct iovec *dvec, int nvecs,
int length, int istack)
{
struct msghdr msg;
int ret;
memset(&msg, 0, sizeof(msg));
msg.msg_iov = dvec;
@ -1479,9 +1480,9 @@ osi_NetSend(osi_socket socket, void *addr, struct iovec *dvec, int nvecs,
msg.msg_name = addr;
msg.msg_namelen = sizeof(struct sockaddr_in);
rxi_Sendmsg(socket, &msg, 0);
ret = rxi_Sendmsg(socket, &msg, 0);
return 0;
return ret;
}
#elif !defined(UKERNEL)
/*
@ -2134,6 +2135,15 @@ rxi_SendPacket(struct rx_call *call, struct rx_connection *conn,
clock_Addmsec(&(p->retryTime),
10 + (((afs_uint32) p->backoff) << 8));
#ifdef AFS_NT40_ENV
/* Windows is nice -- it can tell us right away that we cannot
* reach this recipient by returning an WSAEHOSTUNREACH error
* code. So, when this happens let's "down" the host NOW so
* we don't sit around waiting for this host to timeout later.
*/
if (call && code == -1 && errno == WSAEHOSTUNREACH)
call->lastReceiveTime = 0;
#endif
#if defined(KERNEL) && defined(AFS_LINUX20_ENV)
/* Linux is nice -- it can tell us right away that we cannot
* reach this recipient by returning an ENETUNREACH error

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@ -96,7 +96,7 @@ server_entry(void *argp)
{
void (*server_proc) () = (void (*)())argp;
server_proc();
printf("rx_pthread.c: server_entry: Server proc returned unexpectedly\n");
dpf(("rx_pthread.c: server_entry: Server proc returned unexpectedly\n"));
exit(1);
return (void *)0;
}
@ -112,13 +112,13 @@ rxi_StartServerProc(void (*proc) (void), int stacksize)
AFS_SIGSET_DECL;
if (pthread_attr_init(&tattr) != 0) {
printf("Unable to Create Rx server thread (pthread_attr_init)\n");
dpf(("Unable to Create Rx server thread (pthread_attr_init)\n"));
exit(1);
}
if (pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED) != 0) {
printf
("Unable to Create Rx server thread (pthread_attr_setdetachstate)\n");
dpf
(("Unable to Create Rx server thread (pthread_attr_setdetachstate)\n"));
exit(1);
}
@ -127,7 +127,7 @@ rxi_StartServerProc(void (*proc) (void), int stacksize)
*/
AFS_SIGSET_CLEAR();
if (pthread_create(&thread, &tattr, server_entry, (void *)proc) != 0) {
printf("Unable to Create Rx server thread\n");
dpf(("Unable to Create Rx server thread\n"));
exit(1);
}
AFS_SIGSET_RESTORE();
@ -220,7 +220,7 @@ rxi_ListenerProc(int sock, int *tnop, struct rx_call **newcallp)
} else {
if (!(p = rxi_AllocPacket(RX_PACKET_CLASS_RECEIVE))) {
/* Could this happen with multiple socket listeners? */
printf("rxi_Listener: no packets!"); /* Shouldn't happen */
dpf(("rxi_Listener: no packets!")); /* Shouldn't happen */
exit(1);
}
}
@ -323,21 +323,21 @@ rxi_StartListener(void)
AFS_SIGSET_DECL;
if (pthread_attr_init(&tattr) != 0) {
printf
("Unable to create Rx event handling thread (pthread_attr_init)\n");
dpf
(("Unable to create Rx event handling thread (pthread_attr_init)\n"));
exit(1);
}
if (pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED) != 0) {
printf
("Unable to create Rx event handling thread (pthread_attr_setdetachstate)\n");
dpf
(("Unable to create Rx event handling thread (pthread_attr_setdetachstate)\n"));
exit(1);
}
AFS_SIGSET_CLEAR();
if (pthread_create(&event_handler_thread, &tattr, event_handler, NULL) !=
0) {
printf("Unable to create Rx event handling thread\n");
dpf(("Unable to create Rx event handling thread\n"));
exit(1);
}
MUTEX_ENTER(&rx_stats_mutex);
@ -363,20 +363,20 @@ rxi_Listen(osi_socket sock)
AFS_SIGSET_DECL;
if (pthread_attr_init(&tattr) != 0) {
printf
("Unable to create socket listener thread (pthread_attr_init)\n");
dpf
(("Unable to create socket listener thread (pthread_attr_init)\n"));
exit(1);
}
if (pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED) != 0) {
printf
("Unable to create socket listener thread (pthread_attr_setdetachstate)\n");
dpf
(("Unable to create socket listener thread (pthread_attr_setdetachstate)\n"));
exit(1);
}
AFS_SIGSET_CLEAR();
if (pthread_create(&thread, &tattr, rx_ListenerProc, (void *)sock) != 0) {
printf("Unable to create socket listener thread\n");
dpf(("Unable to create socket listener thread\n"));
exit(1);
}
MUTEX_ENTER(&rx_stats_mutex);
@ -415,8 +415,9 @@ rxi_Sendmsg(osi_socket socket, struct msghdr *msg_p, int flags)
#else
if (ret == -1) {
#endif
printf("rxi_sendmsg failed, error %d\n", errno);
dpf(("rxi_sendmsg failed, error %d\n", errno));
fflush(stdout);
return -1;
}
return 0;
}

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@ -139,12 +139,15 @@ sendmsg(int socket, struct msghdr *msgP, int flags)
case WSAEWOULDBLOCK:
errno = WSAEWOULDBLOCK;
break;
case WSAEHOSTUNREACH:
errno = WSAEHOSTUNREACH;
break;
default:
errno = EIO;
break;
}
code = -1;
}
} else
#endif /* AFS_NT40_ENV */
if (code < size) {